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Preventive Maintenance Checklist of Multiple Effect Evaporator

Preventive Maintenance Checklist of Multiple Effect Evaporator

Multiple Effect Evaporators (MEEs) are highly efficient systems used in the pharmaceutical industry for concentrating solutions by evaporating solvents. MEEs consist of multiple interconnected vessels, each operating at progressively lower pressures. Steam is introduced into the first vessel, generating vapor that is used to heat the second vessel, and so on. This cascading effect maximizes energy utilization, significantly reducing operational costs. MEEs are widely employed in pharmaceutical manufacturing for concentrating syrups, extracts, and other liquid formulations, ensuring precise control over the evaporation process and maintaining product quality.

Department: Engineering,       Equipment Name: Multiple Effect Evaporator,        Equip. No./ID:                              Frequency: Fortnightly
S.NoCheck PointsProcedureActivityDone By / Date
1Check the system for any leakages, if found arrest the leakage.By physical verification  
  2Check the condition of the all pumps suction and delivery valves, if any worn out replace with new one.  Check the valves for any wear and tear  
3Check and tight the motor/pumps base boltsTighten the pump/motor base bolts with suitable spanner  
  4Check the pumps gland/mechanical seal, if any leakage found replace with new gland/seal.Check the pump mechanical seal/gland for wear and tear, if found any damage replace with same  
5Check the pump lubrication oil level, if necessary add up to the 3/4 levelMaintain the pump lubrication oil(N-68) level up to ¾ level  
6Check the water ring vacuum pump running conditionObserve the water ring pump for any abnormal  
7Check the cooling tower fan beltsIf you found any loose tight the same  
8Check and tight the cooling tower fan/motor base bolts.Tighten the all base bolts with suitable spanner  
Remarks:       Checked By / Date
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